Weightlifiting bench assembly



FIG. 1 is a top, front, left perspective view of a weightlifting bench assembly showing our new design;

FIG. 2 is a top, rear, right perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a top view thereof.

The broken lines immediately adjacent to the shaded areas define the bounds of the claimed design and form no part thereof. The remaining broken lines in the drawings depict portions of the weightlifting bench assembly that form no part of the claimed design. 

CLAIM The ornamental design for a weightlifting bench assembly, as shown and described. 